Women's Crocs Lightweight Lace-Up Boat Shoes. Relax and let the tide roll in with the Crocs Beach Line Boat Shoe! These boat shoes will keep your feet cool and comfy with air vents to allow water to flow through, massage-pod footbed for comfort with every step, and Croslite™ material upper for lightweight cushioning. Enjoy the cool breeze of summer in the Crocs Beach Line Boat Shoe!